🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 18, 2026) · next update tomorrow 6:00 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)
KA9JKA HAM
✅ Available for a vanity request — free since Sep 16, 1999.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Sep 16, 1999
Previous holder: MICHAEL G WINNOWSKI
Held KA9JKA Sep 15, 1987 → Sep 15, 1997
· first licensed Sep 15, 1987 as KA9JKA
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1983 as KA9JKA, before the FCC's online records
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
Seen Sep 9, 1993 → Apr 7, 1999 · 11 discs KA9JKA
· Novice · issued Sep 15, 1987, expires Sep 15, 1997
MICHAEL G WINNOWSKI
8 GOLD AVE SW, GRAND RAPIDS, MI 49504
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 18, 2026 · 50 snapshots · as KA9JKA
MICHAEL G WINNOWSKI
8 GOLD AVE SW, GRAND RAPIDS, MI 49504
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.
1996 · 1 edition KA9JKA · class N
Mic Ael Gwinnows I, B Gold Ave Sw(J, Grand Rapids Ml 49504 Winter 1996 p.1828
1995 · 1 edition KA9JKA
N Micha!i G Winnows I, 8 Gold Ave Sw, Grand Rapids, MI 49504 1995 p.1771
1991 → 1992 · 2 editions KA9JKA · class N
Michael G Winnowski 8 Gold Ave Sw, Grand Rapids Ml 49504 Winter 1991 p.1364, 1992 p.1420
1982 → 1987 · 4 editions KA9JKA · class N
Michael Gwinnowski 2364 Riverside Dr, Green Bay, WI 54301 Winter 1982 p.1092, Winter 1983 p.1125, Winter 1985 p.1171, Winter 1987 p.1183
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KA9JKA in the last 24 hours. They show up here within seconds of KA9JKA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.